Objective: To assess the safety and efficacy of a novel immunosuppressive regimen-combination Methotrexate/Prednisone (cMtx/P)-in the management of severe refractory rPPP.

Methods: In this multicenter, nonrandomized, retrospective, observational study, 408 consecutive patients diagnosed with persistent rPPP between 2017 and 19 were included. Patients with refractory symptoms despite 3 months of conventional therapy were initiated on a 4-week regimen of oral steroids. Persistence of symptoms at this point, that is, rPPP (n = 25; catheter based = 18, open surgical = 7) prompted therapy with Methotrexate (7.5-15 mg weekly) with folate supplementation along with low dose prednisone (5 mg PO) for a further 3 months. Patients were followed for a total of 11.3 ± 1.8 months.

Results: Treatment refractory rPPP occurred in 6.1% of the study population prompting immunosuppressive therapy with cMtx/P. All patients demonstrated complete symptom resolution following 3 months of treatment with an 85% decline in clinically significant pericardial effusions. One patient developed recurrent pericarditis during the 11-month follow-up. Therapy was well tolerated with no significant drug related adverse effects.

Conclusion: cMtx/P therapy is a safe and effective adjunct in the management of rPPP refractory to standard therapy.

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Source
http://dx.doi.org/10.1111/jce.15069DOI Listing

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